61867496288190 has 32 divisors (see below), whose sum is σ = 148499948149920. Its totient is φ = 16496003781504.

The previous prime is 61867496288183. The next prime is 61867496288201. The reversal of 61867496288190 is 9188269476816.

It is a super-2 number, since 2×61867496288190² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124449589 + ... + 124945728.

It is an arithmetic number, because the mean of its divisors is an integer number (4640623379685).

Almost surely, 2^{61867496288190} is an apocalyptic number.

61867496288190 is an abundant number, since it is smaller than the sum of its proper divisors (86632451861730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61867496288190 is a wasteful number, since it uses less digits than its factorization.

61867496288190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249403596.

The product of its (nonzero) digits is 501645312, while the sum is 75.

The spelling of 61867496288190 in words is "sixty-one trillion, eight hundred sixty-seven billion, four hundred ninety-six million, two hundred eighty-eight thousand, one hundred ninety".